sea onion is a noun meaning "having dense spikes of small white flowers and yielding a bulb with medicinal properties". It carries 2 recorded senses.
having dense spikes of small white flowers and yielding a bulb with medicinal properties
European scilla with small blue or purple flowers
Definitions, synonyms and semantic relations for sea onion come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.